Johnson, Scott N Elevated atmospheric CO2 triggers compensatory feeding by root herbivores on a C3 but not a C4 grass. [electronic resource] - PloS one 2014 - e90251 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1932-6203 Standard No.: 10.1371/journal.pone.0090251 doi Subjects--Topical Terms: AnimalsAtmosphere--chemistryBiological AssayBiomassBody WeightCarbon--metabolismCarbon Dioxide--pharmacologyColeoptera--anatomy & histologyHerbivory--drug effectsLarva--physiologyNitrogen--pharmacologyPlant Roots--drug effectsPoaceae--drug effects